Optical glass, optical element, optical system, cemented lens, interchangeable lens for camera, objective lens for microscope, and optical device

The optical glass has a La < 3 + > content of more than 0% but 40% or less, a Ti < 4 + > content of 15-65%, a Zr < 4 + > content of more than 0% but 20% or less, and a d-ray refractive index (nd) of 2.00-2.35, in terms of cation%. 一种光学玻璃,其中,以阳离子%表示,La3+含量超过0%且为40%以下,Ti4+含量为15%~65%,...

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Hauptverfasser: TAKASU SHUHEI, YOSHIMOTO KOHEI
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The optical glass has a La < 3 + > content of more than 0% but 40% or less, a Ti < 4 + > content of 15-65%, a Zr < 4 + > content of more than 0% but 20% or less, and a d-ray refractive index (nd) of 2.00-2.35, in terms of cation%. 一种光学玻璃,其中,以阳离子%表示,La3+含量超过0%且为40%以下,Ti4+含量为15%~65%,Zr4+含量超过0%且为20%以下,对d射线的折射率nd为2.00~2.35。